Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1442053
| CA | Merced | 2.4 mi n of Volta schoolhouse (on rd to Gustine) | 1948 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
1442066
| CA | Merced | 5 mi n Volta; San Joaquin Valley | 1948 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
1396227
| CA | Merced | Lower Bear Creek, San Luis National Wildlife Refuge | 2011 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
1396334
| CA | Merced | Salt Slough, San Luis National Wildlife Refuge | 2011 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |